To get an idea of exactly how small the worldâs smallest insect is, take out a ruler and look at those tiny lines that appear in between centimeters (make sure youâre not on the side that measures in inches). If in doubt, ask a grown-up to help you find the millimeters.
Diarrhea can also cause weight loss. Abdominal pain is another symptom of colon cancer that may prevent you from eating normally. If you have lost a significant amount of weight accompanied with these symptoms, you need to talk to your doctor immediately to determine the cause.
1 Diarrhea with nausea and vomiting: Symptom Checker. 2  Diarrhea with nausea and vomiting and Abdominal symptoms (9 causes) 3  Diarrhea with nausea and vomiting and Digestive symptoms (9 causes)  Diarrhea with nausea and vomiting and Muscle symptoms (9 causes)